Harlequin
SativaColombian Gold x Thai x Swiss Landrace x Nepal Indica · Bred by Unknown (selected from landrace genetics)
THC
4–10%
CBD
8–15%
Type
Sativa
Difficulty
Moderate
Flowering
8–9 wks
Height
Medium (3–5 ft)
Effects
Harlequin is a sativa cannabis strain with THC levels of 4–10% and CBD levels of 8–15%. Its primary effects include relaxed, clear-headed, focused, as well as happy and uplifted. The dominant terpenes are Myrcene, Pinene, Caryophyllene, which contribute to its earthy and mango flavor profile.
Flavors & Terpenes
Flavors
Terpenes
Medical Uses
About Harlequin
Harlequin is a sativa-dominant CBD strain that has earned widespread acclaim as one of the most reliable and effective balanced-ratio cultivars available. With a typical CBD:THC ratio of approximately 5:2, Harlequin provides a unique experience that combines mild psychoactivity with substantial therapeutic CBD content, hitting a sweet spot that many patients find ideal. The genetics trace to a four-way cross of landrace varieties from Colombia, Thailand, Switzerland, and Nepal, giving it a complex genetic foundation. The aroma is earthy and tropical, with mango, sweet wood, and citrus notes creating a pleasant, approachable fragrance. Harlequin's balanced cannabinoid profile means that the mild THC content works synergistically with the high CBD through the 'entourage effect,' potentially enhancing therapeutic outcomes beyond what either cannabinoid could achieve alone. Patients report clear-headed relaxation, gentle mood elevation, and significant pain relief without impairment or anxiety. This makes Harlequin particularly popular among patients new to cannabis or those sensitive to THC, as the CBD content counteracts potential THC-induced anxiety. Medical applications include chronic pain, inflammation, anxiety disorders, and depression. Harlequin has also shown particular effectiveness for nerve pain and fibromyalgia symptoms. Growing Harlequin is moderately straightforward, though growers should test cannabinoid levels to ensure the desired CBD:THC balance.
Growing Guide
Indoor Yield
350-400g/m²
Outdoor Yield
400-500g/plant
Cultivation Tips
- •Cannabinoid testing during flower is important to verify desired CBD:THC ratio
- •Sativa-dominant growth requires topping and training for indoor cultivation
- •Responds well to organic soil growing for maximum terpene complexity
- •Moderate flowering time of 8-9 weeks with decent yields
- •Clone verified phenotypes rather than growing from seed for consistency
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Awards
Related Strains
Harlequin FAQ
What are the effects of Harlequin?
Harlequin is known for producing relaxed, clear-headed, focused effects. As a sativa strain with THC levels of 4–10%, it delivers energizing, cerebral effects. Users also report feeling happy and uplifted. The dominant terpenes — Myrcene, Pinene, Caryophyllene — contribute to its earthy and mango flavor profile.
Is Harlequin good for beginners to grow?
Harlequin has a moderate grow difficulty rating. Growers with some experience should be able to handle this strain well. It flowers in 8–9 weeks, reaches a medium height, and yields approximately 350-400g/m² indoors or 400-500g/plant outdoors.
What does Harlequin taste and smell like?
Harlequin features a distinctive flavor profile with notes of earthy, mango, sweet, woody, citrus. These flavors come from its terpene profile, which includes Myrcene, Pinene, Caryophyllene. The genetics (Colombian Gold x Thai x Swiss Landrace x Nepal Indica) contribute to this unique combination of aromas and tastes.
What medical conditions can Harlequin help with?
Harlequin is commonly used by medical cannabis patients for pain, anxiety, inflammation, depression, stress. With a THC range of 4–10% and CBD range of 8–15%, it provides mood-boosting and focus-enhancing benefits. Always consult a healthcare professional before using cannabis for medical purposes.
What is the THC content of Harlequin?
Harlequin typically contains 4–10% THC and 8–15% CBD. Actual potency varies depending on growing conditions, phenotype, and harvest timing. This is a moderate-potency strain accessible to a wide range of consumers.
How hard is it to grow Harlequin?
Harlequin is rated as moderate to grow. This strain requires some growing experience, including knowledge of proper nutrient schedules, humidity control, and training techniques. Harlequin flowers in 8–9 weeks and reaches a medium height (Medium (3–5 ft)). Expected yields are approximately 350-400g/m² indoors and 400-500g/plant outdoors. Key cultivation tips include: Cannabinoid testing during flower is important to verify desired CBD:THC ratio; Sativa-dominant growth requires topping and training for indoor cultivation.
What strains are similar to Harlequin?
Strains similar to Harlequin include ACDC, Cannatonic, Charlotte's Web, Pennywise. These strains share similar genetics, effects, or terpene profiles. Harlequin is a sativa strain bred from Colombian Gold x Thai x Swiss Landrace x Nepal Indica, so strains that share parent genetics or similar terpene profiles (Myrcene, Pinene, Caryophyllene) will likely produce comparable effects. Use Cannabismarketcap's strain comparison tool to compare Harlequin side-by-side with any other strain on effects, THC content, flavors, and growing characteristics.
Where can I find Harlequin seeds or flower?
Harlequin was originally bred by Unknown (selected from landrace genetics) and comes from Colombian Gold x Thai x Swiss Landrace x Nepal Indica genetics. Seeds and clones may be available from licensed seed banks and dispensaries in states and countries where cannabis is legal. Availability varies by region and season — popular strains like Harlequin are typically stocked by major seed banks. Always purchase from licensed, reputable sources to ensure genetic authenticity. In the United States, seed availability depends on your state's cannabis laws; check Cannabismarketcap's state guides for your local regulations on home cultivation and seed purchases.
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Disclaimer: Strain information is provided for educational purposes only. THC/CBD percentages are approximate ranges and vary by phenotype, growing conditions, and lab testing methodology. Effects are subjective and may differ from person to person. Medical information is not a substitute for professional medical advice. Always comply with your local laws regarding cannabis possession and cultivation.